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fdf_set_ap — Sets the appearance of a button field.


bool fdf_set_ap(fdfdoc, fieldname, face, filename, pagenr);
resource fdfdoc: FDF document identifier
string fieldname: Field name
int face: Field appearance
string filename: Field file
int pagenr: Page number


TRUE on success; FALSE on error


Sets the appearance of a field on the FDF docment. This is also known is the /AP key. This function only operates with buttons.

The possible values of face are 1 for FDFNormalAP, 2 for FDFRolloverAP, or 3 for FDFDownAP. These constants are explained in the Adobe FDF documentation. Note that unless the button had a value of "Push" for its highlight type when it was created, FDFRolloverAP and FDFDownAP will be ignored. Additionally, the button must have a value other than "Text only" for its layout type.


Existing since versions 3.0.6 and 4.0


Example 284. Set a button's appearance

// create the FDF
$outfdf = fdf_create();

// set a field value
fdf_set_value($outfdf, "volume", $volume, 0);

// set the results file
fdf_set_file($outfdf, "http://testserver/testfdf/results.pdf");

// set the button
fdf _set_ap($fdf, "Submit", 1, "button.pdf", 1);

fdf_save($outfdf, "outtest.fdf");
Header("Content-type: application/vnd.fdf");
$fp = fopen("outtest.fdf", "r");

PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at The authors of this book have elected not to choose any options under the OPL. This online book was obtained from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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